Flash floods on the rise - Prof Iain White

From Jesse Mulligan, 1–4pm, 2:20 pm on 4 June 2015

The floods we've seen in Dunedin and Wellington will become more common because of increased urbanisation and climate change. Professor Iain White, an international expert on water management from Waikato University, joins us to discuss why it's getting worse, and what could be done to alleviate floods in the future.